How to Harness Solar Energy to Make Your Own Post-Apocalyptic Keys

We all know the world's going to end at some point, and sure, maybe it's not entirely "likely" to happen anytime soon—but better safe than sorry. So assuming you've already been working diligently on your underground, radiation-proof bunker, what's going to happen when you need extra keys made with nary a (non-zombie)… » 8/26/13 2:40pm 8/26/13 2:40pm

Hindsight Cyclist Glasses Are Eyes in The Back of Your Head, Kinda

The Nike Hindsight cyclist's glasses from designer Billy May (we loved his Torn lights before) are designed to do one simple thing: stop cyclists from getting hurt on the roads. At the extended side of each lens is a carefully arranged high-power Fresnel lens that captures the view to the sides of the wearer's head,… » 10/22/08 5:09am 10/22/08 5:09am

Fresnel Telescope Will Spot M-Class Planets 30 Light Years Away

Scientists might be giving up on the notion of sending ridiculously large pieces of glass into space. Using a Fresnel-zone lens instead, astronomers at Observatoire Midi Pyrenees in France propose to take extremely high-contrast images at vast distances without a large lens or mirror. A 30-meter Fresnel telescope will… » 5/02/08 10:45am 5/02/08 10:45am